Robot cleaner



FIG. 1 is a top perspective view of the robot cleaner showing the newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines show portions of the robot cleaner that form no part ofthe claimed design.

CLAIM The ornamental design for a robot cleaner, as shown and described. 